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公开(公告)号：KR1020150095367A
公开(公告)日：2015-08-21
申请号：KR1020140016601
申请日：2014-02-13
Applicant: 한국전자통신연구원
IPC: G01S5/16 , G01S1/70 , H04B10/116
CPC classification number: G01S5/16 , G01S1/70 , H04B10/116
Abstract: 본 발명은 위치 정보를 송신하는 LED 조명을 이용하는 가시광 무선통신에서 적어도 두 개의 위치 정보를 동시에 수신하는 단말의 위치를 인식하는 장치 및 그 방법에 관한 것이다. 단말의 위치를 인식하는 장치는 적어도 하나의 조명의 위치 아이디를 수신하는 단계, 수신하는 단계에서 가장 많이 수신한 위치 아이디에 해당하는 조명의 좌표로 수신 단말의 위치 좌표를 초기화하는 단계, 수신하는 단계에서 두번째로 많이 수신한 위치 아이디에 해당하는 조명의 좌표를 선택하는 단계 및 초기화한 조명의 좌표와 선택한 조명의 좌표간의 수신 비율을 계산하고, 계산한 수신 비율로 단말의 좌표를 보정하는 단계를 포함한다.
Abstract translation: 本发明涉及一种用于识别能够在可见光无线通信中使用LED照明同步接收至少两个位置数据传输的终端的位置以发送位置数据的装置和方法。 用于识别终端位置的装置包括以下步骤：接收至少一个照明的位置ID; 在接收处理中，使用与最频繁接收的位置ID对应的位置ID对应的照明坐标来初始化接收终端的位置坐标; 在接收处理中选择对应于作为最常接收位置ID的下一个的位置ID的照明坐标; 并且计算初始化照明的坐标与所选择的照明的坐标之间的接收比，并且使用所计算的接收比率来校准终端的坐标。
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公开(公告)号：KR1020150083313A
公开(公告)日：2015-07-17
申请号：KR1020140002918
申请日：2014-01-09
Applicant: 한국전자통신연구원
IPC: H04B10/116 , H04L12/26
Abstract: 본발명의실시예에따른패킷검출장치는수신된 VPPM 신호를샘플링하는샘플링부, 샘플링된신호에기초하여심볼시작부분에너지를검출하는심볼시작부분에너지검출부, 샘플링된신호에기초하여심볼끝부분에너지를검출하는심볼끝부분에너지검출부, 심볼시작부분에너지및 심볼끝부분에너지에기초하여에너지검출위치에따른비교데이터를추정하는비교데이터추정부, 비교데이터에기초하여상관도를계산하는상관도계산부; 및상관도가임계값이상인경우, VPPM 신호의복조를실행하는복조부를포함한다.
Abstract translation: 本发明涉及一种用于检测分组的装置，包括：采样单元，对接收到的VPPM信号进行采样; 符号起始点能量检测单元，其基于所述采样信号来检测符号开始点处的能量; 符号终点能量检测单元，其基于所述采样信号来检测符号终点处的能量; 比较数据估计单元，其基于符号开始点处的能量和符号结束点处的能量，根据能量检测位置估计比较数据; 相关计算单元，其基于比较数据计算相关性; 以及解调单元，如果所述相关性等于或大于阈值，则解调所述VPPM信号。
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公开(公告)号：KR1020140104610A
公开(公告)日：2014-08-29
申请号：KR1020130017955
申请日：2013-02-20
Applicant: 한국전자통신연구원
CPC classification number: G01C21/3602 , G08G1/0112 , G08G1/0129 , G08G1/202 , G08G1/205
Abstract: The present invention relates to an apparatus and a method for estimating a moving path using light communication in real time. A server contained in the apparatus for estimating the moving path in real time of the present invention is configured to comprise an agent management unit to set agents and clients; a server communication unit to receive the management information of the agents according to a preset monitoring period; and a path prediction unit to predict a predicted path of the moving path of the clients based on the positional information of the clients tracked through a position determination apparatus having a light communication device and an image capturing device from the agents, which is included in the management information.
Abstract translation: 本发明涉及使用光通信实时估计移动路径的装置和方法。 包含在本发明的实时估计移动路径的装置中的服务器被配置为包括用于设置代理和客户端的代理管理单元; 服务器通信单元，用于根据预设的监视周期接收代理的管理信息; 以及路径预测单元，其基于通过具有光通信装置的位置确定装置跟踪的客户端的位置信息，以及来自所述代理的代理，来预测客户端的移动路径的预测路径 管理信息。
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公开(公告)号：KR1020140093863A
公开(公告)日：2014-07-29
申请号：KR1020130006002
申请日：2013-01-18
Applicant: 한국전자통신연구원
IPC: H04B10/116
Abstract: Disclosed are a method for estimating a dimming level, a method for processing a visible light signal, and an apparatus using the same. The method for processing the visible light signal according to an aspect of the present invention comprises the steps of: receiving the visible light signal including at least one pulse; estimating a pulse width of the visible light signal; estimating the dimming level of the visible light signal using the estimated pulse width; and demodulating the visible light signal using the estimated dimming level.
Abstract translation: 公开了一种用于估计调光水平的方法，一种用于处理可见光信号的方法，以及使用该方法的装置。 根据本发明的一个方面的用于处理可见光信号的方法包括以下步骤：接收包括至少一个脉冲的可见光信号; 估计可见光信号的脉冲宽度; 使用估计的脉冲宽度估计可见光信号的调光水平; 以及使用估计的调光电平解调可见光信号。
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公开(公告)号：KR1020140093820A
公开(公告)日：2014-07-29
申请号：KR1020130005531
申请日：2013-01-17
Applicant: 한국전자통신연구원
IPC: H04L12/741 , H04B10/116
CPC classification number: H04L69/22 , H04B10/116
Abstract: Disclosed are a DMX-VLC address processing method using a DMX-512 network and an apparatus using the DMX-512 network. According to the present invention, the DMX-VLC address processing method comprises: a step of receiving a DMX-512 packet; a step of determining whether the DMX-512 packet is included in a light step data using a start code of the DMX-512 packet; a step of processing the light data using an address recorded in the DMX-512 address unit of the DMX-VLC address included in the DMX-512 packet when the DMX-512 packet is included in the light step data; and a step of executing a non-light data process using the address recorded in the DMX-VLC extension address unit of the DMX-VLC address when the DMX-512 packet is not included in the light step data.
Abstract translation: 公开了使用DMX-512网络的DMX-VLC地址处理方法和使用DMX-512网络的装置。 根据本发明，DMX-VLC地址处理方法包括：接收DMX-512分组的步骤; 使用DMX-512分组的起始码确定DMX-512分组是否包括在轻步数据中的步骤; 当DMX-512分组包括在轻步骤数据中时，使用包含在DMX-512分组中的DMX-VLC地址的DMX-512地址单元中记录的地址处理光数据的步骤; 以及当DMX-512分组不包括在轻步数据中时，使用记录在DMX-VLC地址的DMX-VLC扩展地址单元中的地址执行非光数据处理的步骤。
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Patent Agency Ranking
公开(公告)号：KR1020140075938A
公开(公告)日：2014-06-20
申请号：KR1020120143613
申请日：2012-12-11
Applicant: 한국전자통신연구원
IPC: H04L12/70 , H04B10/116
Abstract: Disclosed are a method for transceiving packets for traffic distribution, and an access point and a terminal apparatus using the same. The access point according to the present invention includes a wireless LAN communications module; a visible light communications module; and a traffic distribution unit to confirm a characteristic of a packet to be transmitted for determining whether the packet is a control packet or a data packet, to classify and transmit the packet using the wireless LAN communications module when the packet is the control packet or a data packet of low capacity, to classify and transmit the packet using the visible light communications module when the packet is a multi-media or a data packet of high capacity.
Abstract translation: 公开了一种用于收发用于流量分配的分组的方法，以及一种接入点和使用该方法的终端设备。 根据本发明的接入点包括无线LAN通信模块; 可见光通信模块; 以及流量分配单元，用于确认要发送的分组的特性以确定分组是否是控制分组还是数据分组，以在分组是控制分组时使用无线LAN通信模块对分组进行分类和发送，或者 低容量的数据分组，当分组是多媒体或高容量的数据分组时，使用可见光通信模块对分组进行分类和传输。
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公开(公告)号：KR1020140042025A
公开(公告)日：2014-04-07
申请号：KR1020120107560
申请日：2012-09-27
Applicant: 한국전자통신연구원
IPC: G06Q50/12 , G06Q10/06 , H04B10/116 , H05B37/02
CPC classification number: G06Q50/12 , G06Q10/06311 , H04B10/116 , H05B37/02
Abstract: Disclosed is a device for managing a service in a restaurant, capable of: minimizing an unnecessary movement of an employee; monitoring the service response time, etc. of the employee by managing the employee who responds to a service and information on the time when the service is requested; and allowing customers to directly know a current status of the requested service through colors of lighting. The device for managing a service in a restaurant comprises an employee ID sender for outputting the embedded employee ID information through a wireless visible light communication; a call bell which has a button for calling employees or requesting a service, transmits, to a management server, the employee ID information from the employee ID sender and information on the requested service and receives waiting time information on the requested service; the management server for managing the service response time from the time of checking the service requested by a customer to the time of providing the requested service and information on the number of providing services by the employees and outputting status information on the service requested by the customer; a lighting scheduler for storing situation based lighting color information, deriving lighting status information based on the status information on the requested service provided by the management server and outputting the lighting color information corresponding to the derived lighting status information among the situation based lighting color information; and a table lighting unit for transmitting the waiting time information on the requested service to the call bell through the wireless visible light communication and adjusting the lighting colors of a table of the customer who requests the service based on the lighting color information from the lighting scheduler. [Reference numerals] (100) Employee ID sender; (200) Call bell; (300) Management server; (400) Lighting scheduler; (500) Table lighting unit; (600) Order menu detail display unit; (AA) Table number #1; (BB) Table number #2; (CC) Table number #m; (DD) Order 1; (EE) Order 2; (FF) Order n; (GG) VLC(Employee ID); (HH) VLC(Order status information)
Abstract translation: 公开了一种用于管理餐馆中的服务的设备，其能够：最小化员工的不必要的移动; 通过管理响应服务的员工和请求服务时间的信息来监控员工的服务响应时间等; 并允许客户通过照明的颜色直接了解所请求的服务的当前状态。 用于管理餐馆中的服务的设备包括通过无线可见光通信输出嵌入的雇员ID信息的员工ID发送者; 具有用于呼叫员工或请求服务的按钮的呼叫铃将来自员工ID发送者的雇员ID信息和关于所请求服务的信息发送给管理服务器，并接收关于所请求服务的等待时间信息; 管理服务器，用于从检查客户请求的服务到提供所请求的服务的时间以及雇员提供服务的数量的信息的时间管理服务响应时间，并输出客户请求的服务的状态信息 ; 用于存储基于状况的照明颜色信息的照明调度器，基于由管理服务器提供的所请求的服务的状态信息导出照明状态信息，并且在基于情况的照明颜色信息中输出与所导出的照明状态信息相对应的照明颜色信息; 以及台照明单元，用于通过无线可见光通信将所请求的服务的等待时间信息发送到呼叫铃，并且根据来自照明调度器的照明颜色信息调整请求服务的客户的表的照明颜色 。 （附图标记）（100）员工ID发送者; （200）通话钟; （300）管理服务器; （400）照明调度; （500）台灯; （600）订单菜单详细显示单元; （AA）表号＃1; （BB）表号＃2; （CC）表号#m; （DD）令1; （EE）命令2; （FF）令n; （GG）VLC（员工身份证）; （HH）VLC（订单状态信息）
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公开(公告)号：KR1020140030347A
公开(公告)日：2014-03-12
申请号：KR1020120074330
申请日：2012-07-09
Applicant: 한국전자통신연구원
CPC classification number: H04B10/116
Abstract: Disclosed are a method and an apparatus for visible light wireless communications. The method for visible light wireless communications according to the present invention comprises the steps of: comparing a symbol of a transmission signal with a symbol clock synchronized with the symbol to determine whether the comparison result represents a beginning portion of the symbol; setting a sample index representing the order of samples sampled from the symbol of the transmission signal at predetermined frequency intervals, an accumulated signal value of the accumulated area of the first half of the symbol, and an accumulated signal value of the accumulated area of the latter half of the symbol, depending on whether the comparison result represents the beginning portion of the symbol; comparing the sample index with the middle point of the symbol of the transmission signal to determine whether the comparison result belongs to the accumulated area of the first half or the latter half of the symbol, and accumulating the samples of the transmission signal according to positions to which the sample index belongs; comparing the sample index and a sample index per symbol, and checking if the sample index equals to the sample index per symbol to determine whether the comparison result represents an end portion of the symbol; and outputting a variable pulse position modulation (VPPM) communications signal corresponding to the transmission signal, depending on whether the comparison result represents the end portion of the symbol. [Reference numerals] (AA) Start; (BB.EE.FF.II) Yes; (CC,DD,GG,HH) No; (JJ) End; (S10) Symbol clock; (S15) Beginning of the symbol?; (S60) End of the transmission?
Abstract translation: 公开了一种可见光无线通信的方法和装置。 根据本发明的可见光无线通信方法包括以下步骤：将传输信号的符号与与符号同步的符号时钟进行比较，以确定比较结果是否表示符号的开始部分; 设定表示以规定的频率间隔从发送信号的符号取样的样本的顺序的样本索引，符号的前半部分的累积区域的累积信号值和后一个的累积区域的累计信号值 取决于比较结果是否表示符号的开始部分; 将采样索引与发送信号的符号的中点进行比较，以确定比较结果是否属于符号的前半部分或后半部分的累积区域，并根据位置累积到发送信号的样本 样本索引所属的 比较样本索引和每个符号的样本索引，并检查样本索引是否等于每个符号的样本索引，以确定比较结果是否表示符号的结尾部分; 并且根据比较结果是否表示符号的结束部分，输出与发送信号相对应的可变脉冲位置调制（VPPM）通信信号。 （附图标记）（AA）开始; （BB.EE.FF.II）是的; （CC，DD，GG，HH）否; （JJ）结束; （S10）符号时钟; （S15）符号的开始？ （S60）传送结束？
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公开(公告)号：KR1020140023474A
公开(公告)日：2014-02-27
申请号：KR1020120089265
申请日：2012-08-16
Applicant: 한국전자통신연구원
IPC: H05B37/02
CPC classification number: G01R31/44 , H05B33/089 , H05B33/0818 , H05B33/0884
Abstract: Disclosed is a method for detecting errors and changes of an LED light. A method for detecting errors and changes of an LED light according to the present invention includes the steps of: generating a pulse width modulation (PWM) signal including required light emitting information; generating tail information (Tail-Data) including operation information; generating a cyclic redundancy code (CRC) value according to the tail information; generating a tail-CRC synthesis signal (Tail-CRC signal) by synthesizing the tail information and the CRC value; generating a PWM-tail synthesis signal (PWM-Tail Signal) by combining the tail-CRC synthesis signal and the PWM signal; and detecting errors and changes by using the PWM-tail synthesis signal.
Abstract translation: 公开了一种用于检测LED灯的误差和变化的方法。 根据本发明的用于检测LED灯的误差和变化的方法包括以下步骤：产生包括所需发光信息的脉宽调制（PWM）信号; 生成包括操作信息的尾部信息（Tail-Data）; 根据所述尾部信息生成循环冗余码（CRC）值; 通过合成尾部信息和CRC值来生成尾CRC合成信号（Tail-CRC信号）; 通过组合尾部CRC合成信号和PWM信号来产生PWM尾部合成信号（PWM-尾部信号）; 并通过使用PWM尾合成信号来检测误差和变化。
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公开(公告)号：KR1020140006320A
公开(公告)日：2014-01-16
申请号：KR1020120072347
申请日：2012-07-03
Applicant: 한국전자통신연구원
IPC: H05B37/03
CPC classification number: H05B33/089 , H05B37/0245 , H05B37/034
Abstract: The present invention provides a fault control apparatus of a lighting network. The fault control apparatus is comprised in each of a plurality of lighting units which are connected with each other through a network, and includes: a power source selection part which selects a power source to be supplied to a faulty lighting unit, by comparing a reference voltage with an output voltage sensed from power supply signals respectively inputted through a power supply part comprised in a lighting unit located before the faulty lighting unit and through the faulty lighting unit in case that the lighting unit has a fault; and a lighting control part controlling the driving of the faulty lighting unit by using the selected power source. [Reference numerals] (110) First transceiver part; (120) Lighting control logic part; (130) Second transceiver part; (140) Lighting driving part; (150) Power source selection part; (151) Power source sensing part; (160) Power supply part; (161) Charging part
Abstract translation: 本发明提供一种照明网络的故障控制装置。 故障控制装置包括通过网络彼此连接的多个照明单元中的每一个，并且包括：电源选择部，其通过比较参考电压来选择供应给故障照明单元的电源 电压，其具有通过包含在位于故障照明单元之前的照明单元中的电源部分并且在照明单元具有故障的情况下通过故障照明单元分别输入的电源信号感测的输出电压; 以及照明控制部，其通过使用所选择的电源来控制故障照明单元的驱动。 （附图标记）（110）第一收发器部分; （120）照明控制逻辑部分; （130）第二收发器部分; （140）照明驱动部分; （150）电源选择部分; （151）电源感应部件; （160）电源部分; （161）充电部
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